ass日本风韵熟妇pics男人扒开女人屁屁桶到爽|扒开胸露出奶头亲吻视频|邻居少妇的诱惑|人人妻在线播放|日日摸夜夜摸狠狠摸婷婷|制服 丝袜 人妻|激情熟妇中文字幕|看黄色欧美特一级|日本av人妻系列|高潮对白av,丰满岳妇乱熟妇之荡,日本丰满熟妇乱又伦,日韩欧美一区二区三区在线

冷卻肉微生物污染和肉色變化的Vis/NIR光譜無損檢測(cè)
CSTR:
作者:
作者單位:

作者簡介:

通訊作者:

中圖分類號(hào):

基金項(xiàng)目:

“十二五”國家科技支撐計(jì)劃資助項(xiàng)目(2012BAH04B00);公益性行業(yè)(農(nóng)業(yè))科研專項(xiàng)經(jīng)費(fèi)資助項(xiàng)目(201003008);中央高?;究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金資助項(xiàng)目(2013YJ007)


Non-invasive Detection to TVC and Color of Chilled Pork Based on Vis/NIR Spectroscopy
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 圖/表
  • |
  • 訪問統(tǒng)計(jì)
  • |
  • 參考文獻(xiàn)
  • |
  • 相似文獻(xiàn)
  • |
  • 引證文獻(xiàn)
  • |
  • 資源附件
  • |
  • 文章評(píng)論
    摘要:

    利用可見/近紅外光譜技術(shù)對(duì)冷卻肉菌落總數(shù)和顏色進(jìn)行快速,、無損檢測(cè)。采用400~1100nm可見/近紅外光譜成像系統(tǒng),,獲取54個(gè)冷卻肉樣本表面的光譜圖像,采用主成分分析結(jié)合馬氏距離方法對(duì)異常光譜進(jìn)行判別及剔除,。通過Gompertz分布函數(shù)對(duì)散射特征曲線進(jìn)行擬合,,得到表征光譜信息的Gompertz參數(shù),結(jié)合支持向量機(jī)算法建立冷卻肉菌落總數(shù)和肉色L*的預(yù)測(cè)模型,。α,、β、θ,、δ組合和α,、β、δ組合建模對(duì)細(xì)菌總數(shù)預(yù)測(cè)效果最好,,預(yù)測(cè)相關(guān)系數(shù)分別為0.937和0.935,,預(yù)測(cè)標(biāo)準(zhǔn)差為0.600lg CFU/g和0.702lg CFU/g。β,、δ組合建模對(duì)肉色L*預(yù)測(cè)效果較好,,預(yù)測(cè)相關(guān)系數(shù)達(dá)到0.930,預(yù)測(cè)標(biāo)準(zhǔn)差為1.515,。研究結(jié)果表明利用Vis/NIR光譜散射特征結(jié)合支持向量機(jī)可以實(shí)現(xiàn)冷卻肉品質(zhì)的快速,、高效、無損傷檢測(cè),。

    Abstract:

    Vis/NIR spectroscopy was used to detect TVC and color of chilled pork rapidly and non-invasively. Vis/NIR scattering image in the range of 400nm to 1100nm were collected from 54 chilled pork samples. The scattering profiles were fitted accurately by four-parameter Gompertz function. The TVC and color L* prediction models were built with support vector machines (SVM) regression. The regression coefficient (Rv) of combination α, β, θ, δ and combination α, β, δ were 0.937 and 0.935, and the standard error of prediction (SEP) were 0.600\lg CFU/g and 0.702lg CFU/g, respectively. For color L*, the prediction model based on combination β and δ could give satisfactory results with Rv of 0.930 and SEP of 1.515. The results demonstrated that Vis/NIR spectroscopy combined with SVM was precise and potential for valid, rapid, non-invasive detection of chilled pork.

    參考文獻(xiàn)
    相似文獻(xiàn)
    引證文獻(xiàn)
引用本文

張雷蕾,彭彥昆,劉媛媛,趙娟,郭輝.冷卻肉微生物污染和肉色變化的Vis/NIR光譜無損檢測(cè)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(Supp1):159-164. Zhang Leilei, Peng Yankun, Liu Yuanyuan, Zhao Juan, Guo Hui. Non-invasive Detection to TVC and Color of Chilled Pork Based on Vis/NIR Spectroscopy[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(Supp1):159-164.

復(fù)制
分享
文章指標(biāo)
  • 點(diǎn)擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:
  • 最后修改日期:
  • 錄用日期:
  • 在線發(fā)布日期: 2013-10-22
  • 出版日期:
文章二維碼